Acer Aspire S3 Ms2346 Service Guide

Machine Maintenance3-27
Removing the Mainboard0
1. Perform the “Removing the Lower Case ” procedure described on page 3-9.
2. Perform the “ Removing the Battery Pack ” procedure described on page 3-10.
3. Release the connector latch ( 1) from the mainboard, then disconnect the touchpad cable ( 2).
Figure 3-37. Touchpad Cable
4. Release the connector latches ( 1) from the mainboard, then disconnect the WLAN & mini 
1 cables ( 2). Disconnect the power cable from the mainboard ( 3).
Figure 3-38. WLAN, Mini...

3-28Machine Maintenance
5. Release the connector latch (1) from the mainboard, then disconnect the power button 
cable (2 ).
Figure 3-39. Power Button Cable
6. Release the latch ( 1) from the mainboard then disconnect the keyboard cable ( 2).
Figure 3-40. Keyboard Cable 

Machine Maintenance3-29
7. Release the LCD cable from the adhesive tape securing it. 
Figure 3-41. LCD Cable Adhesive Tape
8. Disconnect the LCD cable from the mainboard. 
Figure 3-42. LCD Cable 

3-30Machine Maintenance
9. Remove the screw securing the mainboard to the upper case. 
Figure 3-43. Mainboard Screw
10. Detach the mainboard from the upper case.
Figure 3-44. Mainboard
NOTE:NOTE :
A circuit board that is > 10cm2 has been highlighted with a yellow rectangle in 
Figure 3-44. Follow the local regulations for disposing this type of circuit board.
Table 3-43. Screw
StepScrewQuantityScrew Type
Mainboard Disassembly
M2 × L31 

Machine Maintenance3-31
Removing the Thermal Module0
1. Perform the “Removing the Lower Case ” procedure described on page 3-9.
2. Perform the “ Removing the Battery Pack ” procedure described on page 3-10.
3. Disconnect the thermal module fan cable from the mainboard. 
Figure 3-45. Fan Cable
4. Loosen the spring-loaded captive screws securing the thermal module. Follow the screw  sequence indicated on  Figure 3-46. 
Figure 3-46. Thermal Module Screws
Table 3-46. Screws
StepScrewQuantityScrew Type...

3-32Machine Maintenance
5. Detach the thermal module from the mainboard. 
Figure 3-47. Thermal Module 

Machine Maintenance3-33
Removing the RTC Battery0
1. Perform the “Removing the Lower Case ” procedure described on page 3-9.
2. Perform the “ Removing the Battery Pack ” procedure described on page 3-10.
3. Perform the “ Removing the Mainboard” procedure described on page 3-27.
4. Disconnect the RTC battery cable from the mainboard.
Figure 3-48. RTC Battery Cable
5. Detach the RTC battery from the mainboard.
Figure 3-49. RTC Battery
NOTE:NOTE :
The battery has been highlight ed with the yellow circle in...

3-34Machine Maintenance
Removing the WLAN Board0
NOTE:NOTE:
For models that have M-SATA board installed, please proceed to page  3-35, “ Removing 
the M-SATA Board ”.
1. Perform the “ Removing the Lower Case ” procedure described on page 3-9.
2. Perform the “ Removing the Battery Pack ” procedure described on page 3-10.
3. Perform the “ Removing the WLAN Module ” procedure described on page 3-15.
4. Release the connector latches ( 1) from the WLAN board, t hen disconnect the WLAN & 
mini 1 cables ( 2)....

Machine Maintenance3-35
Removing the M-SATA Board0
1. Perform the “Removing the Lower Case ” procedure described on page 3-9.
2. Perform the “ Removing the Battery Pack ” procedure described on page 3-10.
3. Perform the “ Removing the WLAN Module ” procedure described on page 3-15.
4. Release the connector latches ( 1) from the M-SATA board, then disconnect the WLAN & 
mini 1 cables ( 2). 
Figure 3-52. WLAN & Mini 1 Cables
5. Detach the M-SATA board from the upper case.
Figure 3-53. M-SATA Board...

3-36Machine Maintenance
Removing the Keyboard0
NOTE:NOTE:
The keyboard is easily warped or damaged during the removal process. Take care not 
to use excessive force when removing.
1. Perform the “ Removing the Lower Case ” procedure described on page 3-9.
2. Perform the “ Removing the Battery Pack ” procedure described on page 3-10.
3. Perform the “ Removing the Left and Right Speakers ” procedure described on page3-13.
4. Perform the “ Removing the WLAN Module ” procedure described on page 3-15.
5....